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2015 GMC Yukon Denali 6.2L Poor Idle Quality, Cuts out, Misfire
Posted to GM Driveability on 11/5/2020 6 Replies

Truck came in with misfire on #4. Found broken push rod and stuck afm lifter. Replaced all afm lifter and broken pushrod, and had head checked and cleaned at machine shop since they were off. Put everything back together and truck started up hard. When fin...

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  Related Documents & Media  2015 GMC Yukon Denali

 
Message Closed w/FIX

car Vehicle Data

2015 GMC Yukon Denali

VIN 1GKS2CKJ1F
Engine6.2 L / 8 cyl / FLEX
Trans8-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursAlways

Trouble Codes

P228DLow fuel rail pressure
Message Closed w/FIX

car Vehicle Data

2015 GMC Yukon Denali

VIN 1GKS2CKJ1F
Engine6.2 L / 8 cyl / FLEX
Trans8-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursAlways

Trouble Codes

P228DLow fuel rail pressure